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Delphi source code for Windows >> Hide a program from the taskbar


Category: Windows
Title: Hide a program from the taskbar
Date added: 15.03.2006
Hits: 9045



procedure TMainForm.FormShow(Sender: TObject);
var
  hwndOwner: HWnd;
begin
  hwndOwner := GetWindow(Handle, GW_OWNER);
  ShowWindow(hwndOwner, SW_HIDE);
  // For Windows 2000, additionally call the ShowWindowAsync function:
  ShowWindowAsync(hwndOwner, SW_HIDE);
  ShowWindowAsync(Self.Handle, SW_HIDE);
end;
{
  Prevent the form from reappearing on the Taskbar after minimizing it:
}

private
  
procedure WMSysCommand(var msg: TWMSysCommand); message WM_SysCommand;
{....}
implementation

procedure TMainForm.WMSysCommand(var msg: TWMSysCommand);
begin
  if msg.CmdType and $FFF0 = SC_MINIMIZE then
    hide
  else
    inherited;
end;

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